The injection molded part defect known as a “burn marks” can be identified as a blackened edge, usually located at the last place in the cavities to fill. The cause of burn marks is trapped air in the cavities of the injection mold. During the injection...
This is an inspiring story on a number of levels. Take a few minutes to read it. There are some important lessons to be learned. In March, 2012 Paulson Training received a call from a gentleman named Dan Jones who was looking to improve his plastics processing...
Definition: Short shots occur when one or more of the cavities in an injection mold do not completely fill. Continuing with my previous Expert Molder conversations, this episode discusses the causes of the injection molded part problem called...
A Conversation With Your Plastic About Part Flash Defect The injection molded part defect known as Flash is that thin layer of plastic that flows outside of the cavity where the two halves of the injection mold meet. If the flash has to be manually trimmed off by an...
Benjamin Franklin’s autobiography is a goldmine of sound advice even for problems injection molding and extrusion companies face today. In his autobiography, Benjamin Franklin writes about his views on training and education. It should come as no surprise that...
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